2a56afed8d
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33897>
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/*
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* Copyright © 2016 Red Hat.
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* Copyright © 2016 Bas Nieuwenhuizen
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*
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* based in part on anv driver which is:
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* Copyright © 2015 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "ac_descriptors.h"
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#include "gfx10_format_table.h"
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#include "radv_buffer.h"
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#include "radv_buffer_view.h"
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#include "radv_entrypoints.h"
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#include "radv_formats.h"
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#include "radv_image.h"
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#include "vk_log.h"
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void
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radv_make_texel_buffer_descriptor(struct radv_device *device, uint64_t va, VkFormat vk_format, unsigned offset,
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unsigned range, uint32_t *state)
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{
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const struct radv_physical_device *pdev = radv_device_physical(device);
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const struct util_format_description *desc;
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unsigned stride;
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enum pipe_swizzle swizzle[4];
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desc = vk_format_description(vk_format);
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stride = desc->block.bits / 8;
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radv_compose_swizzle(desc, NULL, swizzle);
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va += offset;
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if (pdev->info.gfx_level != GFX8 && stride) {
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range /= stride;
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}
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const struct ac_buffer_state ac_state = {
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.va = va,
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.size = range,
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.format = radv_format_to_pipe_format(vk_format),
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.swizzle =
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{
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swizzle[0],
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swizzle[1],
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swizzle[2],
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swizzle[3],
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},
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.stride = stride,
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.gfx10_oob_select = V_008F0C_OOB_SELECT_STRUCTURED_WITH_OFFSET,
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};
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ac_build_buffer_descriptor(pdev->info.gfx_level, &ac_state, state);
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}
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VKAPI_ATTR VkResult VKAPI_CALL
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radv_CreateBufferView(VkDevice _device, const VkBufferViewCreateInfo *pCreateInfo,
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const VkAllocationCallbacks *pAllocator, VkBufferView *pView)
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{
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VK_FROM_HANDLE(radv_buffer, buffer, pCreateInfo->buffer);
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VK_FROM_HANDLE(radv_device, device, _device);
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struct radv_buffer_view *view;
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view = vk_alloc2(&device->vk.alloc, pAllocator, sizeof(*view), 8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
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if (!view)
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return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
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vk_buffer_view_init(&device->vk, &view->vk, pCreateInfo);
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view->bo = buffer->bo;
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radv_make_texel_buffer_descriptor(device, buffer->vk.device_address, view->vk.format, view->vk.offset,
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view->vk.range, view->state);
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*pView = radv_buffer_view_to_handle(view);
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return VK_SUCCESS;
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}
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VKAPI_ATTR void VKAPI_CALL
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radv_DestroyBufferView(VkDevice _device, VkBufferView bufferView, const VkAllocationCallbacks *pAllocator)
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{
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VK_FROM_HANDLE(radv_device, device, _device);
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VK_FROM_HANDLE(radv_buffer_view, view, bufferView);
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if (!view)
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return;
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vk_buffer_view_finish(&view->vk);
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vk_free2(&device->vk.alloc, pAllocator, view);
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}
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